Home / 149,364,982.14-206,126,213.90-82,391,624.56

Finding the Fourth Proportional to 149,364,982.14, 206,126,213.90 and 82,391,624.56

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Solution

The fourth proportional to 149,364,982.14, 206,126,213.90 and 82,391,624.56 is: 113,701,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,364,982.14 : 206,126,213.90 = 82,391,624.56 : x
  2. Step 2: Convert to fraction form
    149,364,982.14/206,126,213.90 = 82,391,624.56/x
  3. Step 3: Cross multiply
    149,364,982.14x = 206,126,213.90 × 82,391,624.56
  4. Step 4: Simplify right side
    149,364,982.14x = 16,983,073,627,623,054
  5. Step 5: Solve for x
    x = 16,983,073,627,623,054/149,364,982.14
  6. Step 6: Final answer
    x = 113,701,842.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.